Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Narrative) (Details)

v3.20.1
Related Party Transactions (Narrative) (Details)
12 Months Ended
Dec. 29, 2019
USD ($)
Restaurant
Dec. 30, 2018
USD ($)
Dec. 31, 2017
USD ($)
Related Party Transaction [Line Items]      
Number of Restaurants | Restaurant 6    
Management Service [Member]      
Related Party Transaction [Line Items]      
Management fees received | $ $ 40,000 $ 40,000